尽管无线与卫星连接被广泛应用，全球通讯还是主要仰赖于遍布地球表面的光纤。
Despite widespread wireless Internet and satellite connections, global communications still rely largely on the vast webs of fibre optic cables that cover the planet.
在一个工程师团队致力于开发最好的无线数据服务时，另一队人却正在研究光纤通讯中的数字压缩技术。
One team of engineers can concentrate on developing the best possible wireless data service, while another can learn how to squeeze more and more bits through fiber optic cable.
采用了剪叉式绝缘升降机构、绝缘液压系统、两级控制、光纤及无线通讯等绝缘方法。
To ensure insulation, we use methods of insulated elevating scissors mechanism, insulated hydraulic system, two - level control system, optic fiber and wireless communication system, etc.
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